package com.fang.observer;

import java.util.Observable;
import java.util.Observer;

/**
 * @author fanglingxiao
 * @version 1.0
 * @description TODO
 * @date 2022/4/25 2:38 下午
 **/
public class OrderStatusObserver implements Observer {

    @Override
    public void update(Observable o, Object arg) {
        System.out.println("观察到变化," + arg);
    }
}
